In addition to GLP-1 release, exposure to flagellin or lipopolysaccharide (85, 86) also results in expression of pro-inflammatory cytokines and evokes a gene response indicating EECs to participate in innate immune responses to commensals and pathogens (85)
The strength of the evidence is not equal across all four, and I will be honest about which ones hold up
We have to be very careful with brands coming in and saying, Oh, I have something that could potentially help the GLP-1 pathway, so were going to call this the GLP-1 [supplement]. Or, I have something that could maybe reduce your hunger a little bit
Lecithin is gentler than some alternatives
Iron, zinc, vitamin B, and protein are key contributors to hair growth